-Case Reports-

Glue in Lockdown Technique to Embolize Peripheral Arterial Aneurysms

Shimpei Ikeda¹, Takahiko Mine¹, Shohei Mizushima¹, Soh Ueshima¹, Seigoh Happoh¹, Masahiro Fujii², Tatsuo Ueda³ and Shin-ichiro Kumita³

¹Department of Radiology, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
²Department of Cardiovascular Surgery, Nippon Medical School Chiba Hokusoh Hospital, Chiba, Japan
³Department of Radiology, Nippon Medical School, Tokyo, Japan

As a blood flow control technique for embolization using glue (n-butyl cyanoacrylate; NBCA) for peripheral artery aneurysm/pseudoaneurysm, we placed a vascular plug or coils at the proximal inflow vessel before glue injection. We describe this maneuver, which we call the glue in lockdown technique. Four peripheral aneurysms -two pulmonary artery pseudoaneurysms, one pancreaticoduodenal arcade pseudoaneurysm, and one internal iliac artery aneurysm- deemed unsuitable for conventional embolization because of abnormal blood flow, coagulopathy, or anatomical complexity were embolized with our technique. Technical and clinical outcomes were reviewed to evaluate the effectiveness of the procedure. Reliable and rapid embolization was achieved in coagulopathy cases and hemodynamically or anatomically complicated lesions. Glue in lockdown technique was successfully used to treat peripheral aneurysms and can be further developed for application to other lesions.

J Nippon Med Sch 2024; 91: 579-585

Keywords
NBCA, n-butyl cyanoacrylate, peripheral artery aneurysm

Correspondence to
Shimpei Ikeda, Department of Radiology, Nippon Medical School Chiba Hokusoh Hospital, 1715 Kamagari, Inzai, Chiba 270-1694, Japan
sikeda@nms.ac.jp

Received, June 7, 2023
Accepted, September 13, 2023